---Hello, this is Mike. Is Dr. Li in?---Sorry, he_________ to the west of Africa to help the patients there.A.has been B. is going C. has gone
—Listen! Someone is playing the piano.—Wow! ______ beautiful music! I like it very much.
—I won’t go to the concert this evening. I ______ watch the NBA on TV. It’s more exciting.
—I’m sorry I went out for a smoke. I was very tired.—There’s no ______ for this while you are at work.
—Excuse me, I want to have my watch fixed, but I can’t find a repair shop.—I know ______ nearby. Come on, I’ll show you.
—It’s very friendly ______ him to help me when I’m in trouble.